Submission #1208532

#	Time	Username	Problem	Language	Result	Execution time	Memory
1208532		omsincoconut	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	59 ms	5824 KiB

railroad

#include "railroad.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ll plan_roller_coaster(vector<int> s, vector<int> t) {
    int n = s.size();

    pair<int, int> st[n+1];
    st[0] = {0, 0};
    for (int i = 1; i <= n; i++) st[i] = make_pair(s[i-1], t[i-1]);

    sort(st+1, st+n+1);

    int tmx[n+1];
    tmx[0] = 0;
    for (int i = 1; i <= n; i++) tmx[i] = max(tmx[i-1], st[i].first);

    for (int i = 1; i <= n; i++) {
        int idx = lower_bound(st, st+n+1, make_pair(t[i], s[i])) - st - 1;
        if (tmx[idx] > s[i]) return 1;
    }

    return 0;
}

Compilation message (stderr)

railroad.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
railroad_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36